libata: Enable queued TRIM for Samsung SSD 860

commit ca6bfcb2f6d9deab3924bf901e73622a94900473 upstream.

Samsung explicitly states that queued TRIM is supported for Linux with
860 PRO and 860 EVO.

Make the previous blacklist to cover only 840 and 850 series.

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
[bwh: Backported to 3.16: There's no ATA_HORKAGE_ZERO_AFTER_TRIM flag]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index b0782a57e55b9f4422ac8e3516d4c891b153faa2..df0d7dbdb4d17a6af6dd18173fd4d29ecdfff782 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4237,7 +4237,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "Micron_M5[15]0_*",           "MU01", ATA_HORKAGE_NO_NCQ_TRIM, },
        { "Crucial_CT*M550*",           "MU01", ATA_HORKAGE_NO_NCQ_TRIM, },
        { "Crucial_CT*MX100*",          "MU01", ATA_HORKAGE_NO_NCQ_TRIM, },
-       { "Samsung SSD 8*",             NULL,   ATA_HORKAGE_NO_NCQ_TRIM, },
+       { "Samsung SSD 840*",           NULL,   ATA_HORKAGE_NO_NCQ_TRIM, },
+       { "Samsung SSD 850*",           NULL,   ATA_HORKAGE_NO_NCQ_TRIM, },
        { "FCCT*M500*",                 NULL,   ATA_HORKAGE_NO_NCQ_TRIM, },
 
        /* devices that don't properly handle TRIM commands */